That’s a pretty long list, actually. Off the top of my head: Rugrats, Rocko’s Modern Life, Angry Beavers, Kablam, Dexter’s Lab, Powerpuff Girls, Tiny Toon Adventures, Animaniacs and Pokémon.
As for how they hold up today, I’d say pretty darn well. I don’t know how well they’d do on TV nowadays, considering how much tastes have changed, but I have heard stories of parents introducing them to their kids- I imagine when they’re still young enough to not have any biases.
The only thing I can really think of is Tiny Toons and Animaniacs are chock full of ‘90s pop culture references that haven’t aged too well. Even in the mid-to-late ‘90s when I was a kid (I was five years old in 1994), a lot of the jokes were already dated by the time I saw them. Even now I don’t know who some of the celebrities they make fun of are supposed to be.But then again Looney Tunes (another favorite) are also full of contemporary references, and those helped me learn to love old movies and radio shows.
Of course, other than that I’d say all them are pretty timeless. It helps that a lot of them were deliberately retro, as I think a lot of them were created and written by nostalgic baby boomers. I was lucky that I grew up with former-hippie parents who introduced me to that sort of stuff. I don’t imagine there were many kids my age who got every Beatles reference in “Meet the Beat-Alls”.